#90EFDB
Closest named color: Light Turquoise (#7EF4CC). oklch(88.7% 0.095 179), rgb(144, 239, 219).
Aa
Black text reads best on this color (15.55:1).
About this color
#90EFDB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.095 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Light Turquoise (#7EF4CC), ΔE 0.033 away. Black text reads best on it, at 15.55:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Light Turquoise (#7EF4CC) |
| Black text | 15.55:1 |
| White text | 1.35:1 |
Values
| HEX | #90EFDB |
| RGB | rgb(144, 239, 219) |
| HSL | hsl(167, 75%, 75%) |
| OKLCH | oklch(88.7% 0.095 179) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #90EFDB | 1.35:1 | Fails | Lc -19.5 | Dividers and decoration only |
| Black text on #90EFDB | 15.55:1 | AAA | Lc 86.6 | Fine for body text |
| #90EFDB text on white | 1.35:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #90EFDB text on black | 15.55:1 | AAA | Lc -86.6 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#EBF9F6
oklch(97.1% 0.015 181.8)
-
Step 100
100
#D2F2EA
oklch(93.6% 0.035 178.8)
-
Step 200
200 (this color)
#90EFDB
oklch(88.7% 0.095 179)
-
Step 300
300
#53DAC2
oklch(80.8% 0.122 179.1)
-
Step 400
400
#00BAA2
oklch(70.6% 0.129 179.1)
-
Step 500
500
#00A08B
oklch(63.2% 0.115 179)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#90EFDB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #E8E5DA | 0.101 |
| Deuteranopia (no green cones) | #D8D9DD | 0.096 |
| Tritanopia (no blue cones) | #6EF2E9 | 0.029 |
| Achromatopsia (no color) | #DEDEDE | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90EFDB
#90EFDB
oklch(88.7% 0.095 179)
- #FFC9D9
#FFC9D9
oklch(88.8% 0.064 358.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #90EFDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Turquoise #7EF4CC ΔE 0.033
- Light Teal #90E4C1 ΔE 0.039
- Light Aqua #8CFFDB ΔE 0.044
- Robin's Egg Blue #98EFF9 ΔE 0.044
- Pale Turquoise #AFEEEE ΔE 0.044
- Robin Egg Blue #8AF1FE ΔE 0.047
- Aquamarine #7FFFD4 ΔE 0.049
- Robin's Egg #6DEDFD ΔE 0.054
Use #90EFDB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.